On Fri, May 22, 2020 at 10:52 AM Joe Abley <jab...@hopcount.ca> wrote:
> On 21 May 2020, at 16:07, Warren Kumari <war...@kumari.net> wrote: > > > What does all of this *mean*? > > .. > > .. > > .. > > Sorry, I haven't a clue, other than maybe: > > The DNS is weird. > > In your experiment it seems clear that all the glue records you are > looking for are being returned from the involved authority-only servers in > the additional section, and since for the COM zone that's a > well-constrained monoculture of software it seems reasonable to imagine > that's not where to look. > Indeed. Since the COM referral response to glue queries is correct, this means that some resolvers the Atlas probes are using are promoting glue to answers. Has anyone surveyed which of the following category of things are promoting glue to answer: (1) other TLD authoritative services, (2) authoritative server software implementations, (3) "public" (contentious term I know) resolvers, and (4) resolver software implementations? That would be an interesting but possibly very time consuming project - but we could focus on the major ones. Shumon.
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